Chapter 2-Book Flashcards
What is the most common benign tumor of the liver?
Cavernous Hemangioma
T/F
Cavernous Hemangioma’s consist of of blood filled channels.
True
What is the typical appearance of a hemangioma?
small, well defined hyperechoic round mass with enhancement.
Hemangiomas are more common in females.
T/F
True
The larger hemangiomas can have what kind of appearance?
it may be variable depending on the amount of fibrosis and degeneration
What is the 2nd most common benign liver mass after hemangioma?
Focal Nodular Hyperplasia
hyperplastic area of normal liver cells that are associated with a congenital vascular malformation
focal nodular hyperplasia
What is the distinguishing feature of a FNH?
central scar.
What is the typical age and location of FNH
childbearing age.
right lobe
What does FNH look like sonographically?
- it is composed of liver cells and is isoechoic to liver parenchyma.
- There will be prominent vascularity in the central car
Why is hepatocellular adenoma more worrisome than most lesions?
They are susceptible to hemorrhage and transform into a hepatocellular carcinoma.
Oral birth control and type 1 glycogen storage disease both have an established relationship with hepatocellular adenoma?
T/F
True
Why is it that hepatocellular adenomas can regress after stopping oral contraceptives?
because there is is a greater incidence of hepatocellular adenomas being associated with the use of birth control.
Lipomas are composed of fat cells
T/F
true
What is the most common primary malignant neoplasm of the liver?
Hepatocellular carcinoma
What are some risk factors of HCC?
Hep B, C, cirrhosis, nonalcoholic steatohepatitis, and aflatoxin exposure.
What are the clinical findings of a patient with HCC?
palpable mass, hepatomegaly, fever, and signs of cirrhosis.
Will HCC have an increase or decrease in Serum Alpha Fetoprotein levels?
increase
What is the sonographic findings of HCC?
variable–
- solitary mass, multiple masses, or diffuse infiltration.
- posterior enhancement and a hypoechoic halo
What is the most common malignant liver tumors?
Mets
Mets usually manifest from cancer in what other places?
gallbladder, colon, stomach, and pancreas
What are symptoms of someone with mets?
jaunice, pain, weight loss, an anorexia.
What sign is usually associated with mets?
bulls’s eye appearance with a hypoechoic halo surrounding the lesion.
